@@ -736,6 +736,12 @@ static int query_matches_negative_refspec(struct refspec *rs, struct refspec_ite
* item uses the destination. To handle this, we apply pattern
* refspecs in reverse to figure out if the query source matches any
* of the negative refspecs.
+ *
+ * The first loop finds and expands all positive refspecs
+ * matched by the queried ref.
+ *
+ * The second loop checks if any of the results of the first loop
+ * match any negative refspec.
*/
for (i = 0; i < rs->nr; i++) {
struct refspec_item *refspec = &rs->items[i];